Smoke retardant vinyl chloride and vinylidene chloride polymer compositions

Abstract

Smoke retardant vinyl chloride and vinylidene chloride polymer compositions are obtained by including therein a synergistic mixture of (A) at least one nickel compound selected from the group consisting of NiI 2 , NiMoO 4 , NiO and nickel dimethylglyoxime and (B) at least one aluminum compound selected from the group consisting of Al 2 (MoO 4 ) 3 , α-Al 2 O 3 , Al 2 (WO 4 ) 3 , ammonium-6-molybdoaluminate (III), and aluminum salicylate. Substantial smoke retardation is also obtained by including the above nickel compounds or aluminum compounds individually or aluminum ammonium sulfate, aluminum potassium sulfate, or aluminum acetylacetonate in the vinyl chloride or vinylidene chloride polymer compositions.

I claim: 
     
       1. A smoke retardant composition comprising a vinyl chloride or vinylidene chloride polymer together with (A) at least one nickel compound selected from the group consisting of NiI 2 , NiMoO 4 , NiO and nickel dimethylglyoxime, and (B) at least one aluminum compound selected from the group consisting of α-Al 2  O 3 , Al 2  (WO 4 ) 3 , and aluminum salicylate, said compounds (A) and (B) being present in a total amount from about 0.25 to about 100 weight parts per 100 weight parts of polymer. 
     
     
       2. A composition of claim 1 wherein said polymer contains copolymerized therewith up to about 50% by weight of at least one other olefinically unsaturated monomer. 
     
     
       3. A composition of claim 2 wherein said polymer contains copolymerized therewith up to about 20% by weight of said other monomer. 
     
     
       4. A composition of claim 3 wherein said other monomer is selected from the group consisting of 1-olefins containing from 2 to 12 carbon atoms, vinyl esters, α,β-olefinically unsaturated carboxylic acids and esters thereof, amides of α,β -olefinically unsaturated carboxylic acids, and esters of fumaric and maleic acid. 
     
     
       5. A composition of claim 4 wherein said compound has an average particle size less than about 200 microns. 
     
     
       6. A composition of claim 5 wherein said compound (A) is NiI 2  and said compound (B) is α-Al 2  O 3 . 
     
     
       7. A composition of claim 5 wherein said compound (A) is NiMoO 4  and said compound (B) is Al 2  (WO 4 ) 3 . 
     
     
       8. A composition of claim 26 wherein said compound (A) is NiO and said compound (B) is Al 2  (MoO 4 ) 3 . 
     
     
       9. A composition of claim 5 wherein said compound (A) is NiO and said compound (B) is α-Al 2  O 3 . 
     
     
       10. A composition of claim 26 wherein said compound (A) is NiO and said compound (B) is ammonium-6-molybdoaluminate (III). 
     
     
       11. A composition of claim 5 wherein said compound (A) is nickel dimethylglyoxime and said compound (B) is aluminum salicylate. 
     
     
       12. A smoke retardant composition comprising a vinyl chloride or vinylidene chloride polymer together with at least one compound selected from the group consisting of nickel dimethylglyoxime, Al 2  (WO 4 ) 3 , aluminum ammonium sulfate, aluminum potassium sulfate, and aluminum acetylacetonate, said compound being present in an amount from about 0.25 to about 100 weight parts per 100 weight parts of polymer. 
     
     
       13. A composition of claim 12 wherein said polymer contains copolymerized therewith up to about 50% by weight of at least one other olefinically unsaturated monomer. 
     
     
       14. A composition of claim 13 wherein said polymer contains copolymerized therewith up to about 20% by weight of said other monomer. 
     
     
       15. A composition of claim 14 wherein said other monomer is selected from the group consisting of 1-olefins containing from 2 to 12 carbon atoms, vinyl esters, α,β-olefinically unsaturated carboxylic acids and esters thereof, amides of α,β-olefinically unsaturated carboxylic acids, and esters of fumaric and maleic acid. 
     
     
       16. A composition of claim 15 wherein said compound has an average particle size less than about 200 microns. 
     
     
       17. A composition of claim 16 wherein said compound is nickel dimethylglyoxime. 
     
     
       18. A composition of claim 16 wherein said compound is Al 2  (WO 4 ) 3 . 
     
     
       19. A composition of claim 16 wherein said compound is aluminum ammonium sulfate. 
     
     
       20. A composition of claim 16 wherein said compound is aluminum potassium sulfate. 
     
     
       21. A composition of claim 16 wherein said compound is aluminum acetylacetonate. 
     
     
       22. A smoke retardant composition comprising a vinyl chloride or vinylidene chloride polymer together with (A) at least one nickel compound selected from the group consisting of NiI 2 , NiO and nickel dimethylglyoxime, and (B) at least one aluminum compound selected from the group consisting of Al 2  (MoO 4 ) 3  and ammonium-6-molybdoaluminate (III), said compounds (A) and (B) being present in a total amount from about 0.25 to about 100 weight parts per 100 weight parts of polymer. 
     
     
       23. A composition of claim 22 wherein said polymer contains copolymerized therewith up to about 50% by weight of at least one other olefinically unsaturated monomer. 
     
     
       24. A composition of claim 23 wherein said polymer contains copolymerized therewith up to about 20% by weight of said other monomer. 
     
     
       25. A composition of claim 24 wherein said other monomer is selected from the group consisting of 1-olefins containing from 2 to 12 carbon atoms, vinyl esters, α,β-olefinically unsaturated carboxylic acids and esters thereof, amides of α,β-olefinically unsaturated carboxylic acids, and esters of fumaric and maleic acid. 
     
     
       26. A composition of claim 25 wherein said compound has an average particle size less than about 200 microns.